Difference Between USB-8451 and USB-8452 in I2C Mode

Updated Jun 16, 2018

Reported In

Hardware

  • USB-8452
  • USB-8451

Issue Details

I'm interested on a I²C device.
What is the difference between USB-8451 and USB-8452?
 

Solution

The following table shows the main differences between USB-8451 and USB 8452 in I2C mode: 
 
FeaturesUSB-8451USB-8452
 On Board PullupsNoYes
 Clock RatesUp to 250 kbit/sUp to 3.34 Mbit/s
 High Speed Mode SupportNoYes
 I2C Slave SupportNoYes
 Voltage Levels3.3V3.3V, 2.5V, 1.8V, 1.5V, 1.2V

For more information, please look at the NI-845x Hardware and Software Manual

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